68476507 has 4 divisors (see below), whose sum is σ = 74701656. Its totient is φ = 62251360.

The previous prime is 68476487. The next prime is 68476517. The reversal of 68476507 is 70567486.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68476507 - 2⁷ = 68476379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68476517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3112558 + ... + 3112579.

It is an arithmetic number, because the mean of its divisors is an integer number (18675414).

Almost surely, 2^68476507 is an apocalyptic number.

68476507 is a deficient number, since it is larger than the sum of its proper divisors (6225149).

68476507 is a wasteful number, since it uses less digits than its factorization.

68476507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6225148.

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 68476507 is about 8275.0532928798. The cubic root of 68476507 is about 409.1166924520.

The spelling of 68476507 in words is "sixty-eight million, four hundred seventy-six thousand, five hundred seven".